.content_border{
    width: 100%;
    height: 400px;
    border:  1px solid pink;
}
.content_show{
    width: 100%;
    height: 50px;
    border: 1px solid yellow;
    margin-top: 10px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
}